How does an automatic transmission cooler work?

How Does a Transmission Cooler Work? Fluid heated by the transmission, engine, or power steering pump flows to the cooler. Air flowing over the fins of the cooler carries away heat and cools the fluid flowing within the fins. The cooled fluid is routed back through the transmission via the return line.

How is an automatic transmission cooled?

In almost all vehicles with an automatic transmission there is a transmission cooler placed inside the radiator. Most standard transmissions do not make as much heat and therefore do not have a cooler. … This way the transmission is being cooled by two different coolers; one with antifreeze and on through air flow.

Does an automatic transmission need a cooler?

Due to the extra strain placed on today’s vehicles, automatic transmissions require a lot from a transmission fluid. … You want to install the transmission fluid cooler in front of all other heat exchangers (ie – radiator, a/c condenser, etc) and in an area with good incoming airflow.

What makes transmission overheat?

Low fluid levels or old transmission fluid causes friction between the parts and causes overheating. Fluid problems are the most common reason for transmissions overheating.

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Is it possible to over cool a transmission?

Can you over cool the transmission fluid? Answer: Transmissions are not highly sensitive to cool operating temperatures. However, in sub-freezing (20-30°F) weather conditions, transmission fluid can actually gel up in an external cooler and cease to flow, causing damage.

How do I know if I need a transmission cooler?

You hear odd noises coming from the transmission: Your transmission may have difficulty shifting between gears, or there may be clunking or grinding noises during shifts. This can indicate transmission fluid loss, high internal transmission temperatures, or both, which can be caused by a bad transmission cooler.

Does a transmission cooler extend the life of a transmission?

Towing puts extra strain on your transmission, which causes extra heat. Extend your transmission’s life by installing an external transmission cooler. If you suspect you’ve been running your transmission too hot, just pull the dipstick and check the fluid. …

Can I run two transmission coolers together?

as for routing, just run them all in line with each other. say you are keeping the radiator cooler, take the outlet of that cooler and hook it to the inlet of the new trans cooler, take the outlet of that cooler and hook it to the inlet of the next trans cooler and then back to the transmission.

How much does it cost to install a transmission cooler?

As a DIY project, you’ll pay between $30 and $60 for the oil cooler and spend 1 1/2 to 2 hours on installation. You can have a local transmission shop install a transmission oil cooler in your vehicle. Expect to pay between $150 and $250 for the job.

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How do I keep my transmission cool while towing?

Adding a simple auxiliary cooler inline with the factory unit can nearly double the life of transmission fluid, keeping your gearbox happy and healthy for a long time. Also helpful are aftermarket aluminum pans. Their added fluid capacity and finned heat-sink design provide additional cooling as well.

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